单项选择题

Odorous gases equal computer control problems .By Stanley,W.Brad M.;Muller,Christopher O.From WEFTEC.03,Conference Proceedings,Annual Technical Exhibition &Conference,76th,Los Angeles,CA,United States,Oct.11-15,2003(2003),371D/1-371D/10.Language:English,Database:CAPLUS。从上述信息判断该文献的文献类型为:()

A.会议论文
B.图书
C.期刊
D.报纸